Leetcode Weekly Contest 188 (175th) with explanation and commentary

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Larry participates in the Leetcode Weekly Contest 188, finishing 175th out of 12714.

00:00 - Intro
00:41 - Contest Starts
00:53 - Larry works on the first problem
04:30 - Larry works on the second problem
14:25 - Larry works on the third problem
25:22 - Larry works on the fourth problem
45:11 - Larry successfully submits all problems
47:15 - Larry explains solution for problemset
1:03:22 - Larry does competitor code review

Retro - What a rough contest! Pretty much felt like I was slow for every problem.. except for Q4, which I was a little slow, but added a WA on top. While I was able to avoid WAs for the most part (minus the really silly ones), I was rusty the entire contest - I generally knew the algorithms immediately, but really had issues with implementations, with off-by-ones and other silliness that slowed the contest down for me. Overall though, with the code review, I did refresh a few things that I had forgotten about, so it was a good learning experience, and if a bad day where something went wrong for all four problems is finishing top 200, that’s not too bad!

Live commentary!

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